package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetMealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetMealService setMealService;

    @Reference
    private ReportService reportService;


    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){

        Map<String,Object> map = new HashMap<>();
        List<String> monthsList = new ArrayList<>();
        LocalDateTime dateTime = LocalDateTime.now().plusMonths(-12);
        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy.MM");
        for (int i = 0; i < 12; i++) {
            LocalDateTime localDateTime = dateTime.plusMonths(1);
            String format = localDateTime.format(dateTimeFormatter);
            monthsList.add(format);
            dateTime = localDateTime;
        }

        map.put("months",monthsList);
        List<Integer> memberCountByMonth = memberService.findMemberCountByMonth(monthsList);
        map.put("memberCount",memberCountByMonth);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);


    }


    @RequestMapping("/getSetMealReport")
    public Result getSetMealReport(){
       Map<String,Object> data = new HashMap<>();

        try {
            List<String> setmealNames = new ArrayList<>();//此list封装套餐名称
            List<Map<String,Object>> setmealCount = setMealService.findSetmealCount();//次map用于封装套餐预约人数
            for (Map<String, Object> stringObjectMap : setmealCount) {
                String name = (String) stringObjectMap.get("name");
                setmealNames.add(name);
            }


            data.put("setmealNames",setmealNames);
            data.put("setmealCount",setmealCount);
            return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }


    }

    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        try {
            Map<String,Object> data = reportService.getBusinessReportData();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }


    @RequestMapping("/exportBusinessReport4Excel")
    public Result exportBusinessReport4Excel(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String,Object> result = reportService.getBusinessReportData();
            //获取米板文件的真实路径
           String realPath = request.getSession().getServletContext().getRealPath("template")+ File.separator+ "report_template.xlsx";
            XSSFWorkbook workbook = new XSSFWorkbook(realPath);
            XSSFSheet sheet = workbook.getSheetAt(0);

            //填充数据
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetMeal");

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数


            int rowNumber = 12;
            for (Map map : hotSetmeal) {
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNumber++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比

            }

            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            OutputStream outputStream = response.getOutputStream();
            workbook.write(outputStream);
            outputStream.flush();
            outputStream.close();
            workbook.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true,"文件下载失败");
        }

    }





    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String,Object> result = reportService.getBusinessReportData();
            //获取米板文件的真实路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template")+ File.separator+ "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template")+ File.separator+ "health_business3.jasper";
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetMeal");
            //读取模板文件
            JasperCompileManager.compileReportToFile(jrxmlPath,jasperPath);
           //填充数据
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));


            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");
            OutputStream outputStream = response.getOutputStream();
            JasperExportManager.exportReportToPdfStream(jasperPrint,outputStream);

            outputStream.flush();
            outputStream.close();


            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true,"文件下载失败");
        }

    }

}
